added timing constructor test
confusing timing tests
moved timing test to maxifill; fixed test (understanding of tick++)
more timing tests
'fixed' test, updated comment
composing playbackRate is broken
updated test naming, added pause/scrub tests
Make the animation timing property a proper Timing object
Remove unneeded file
cleanup
Rename defaultTiming to makeTiming
Merge pull request #222 from rjwright/AnimationTimingAlwaysAnObject

Animation timing should always be an object